Prepayment metering system of

1 Prepayment metering system OF ENERGY METER. Prepayment metering system is a new billing methodology that combining a superior electronic customer account management system , it integrate metering equipment and smart card technology, that provide a power utility a substantial saving both in manpower and money while providing new payment option for the customers. It reduces operational cost with paperless revenue collection system and can even replace any electromechanical meter in the market. In this system , the meter used smart card as the medium of communication with the customer, the utility and authorised charging station. Infrastructure for single phase smart card prepaid meter system Database Sales Terminal Master Terminal server Smart Card HV/LV. Substation Single Phase Prepaid Energy meter A China-based Leader in Electricity metering Products and Systems system GENERAL IC CARD SPECIFICATION.

2 The Prepayment metering system IC card enabling bidirectional data consists of Prepayment meter, IC transferring, is used as a media card, energy sale management between the meter and the energy sale system . Prepayment meter records management system , for active energy. Customers, according communication between prepaid meter to their demand, purchase a certain and the information transferring system . quantity of energy from the local The data that is written by management electric power company. Management system can be transferred to the meter, system with kindly man-machine and vice versa, such as security data, interface, is easy to collect, analyze metering data and credit data. and store data. IC card is the medium between prepaid meter and energy sale management system . IC CARD FEATURES. METER FUNCTION. Security levels protection against fake and copy.

3 The registration of active energy, not only cumulative energy, but also the Authentication against data write and remain purchased energy. read. Large storage capacity, as well as data Automatic disconnection -- when the rewriting and deletion. available energy is exhausted, the power will be cut. Offline usage, reduced communication cost Remain energy alarm, reminding customers of buying energy in time. Long life, anti-static and ultraviolet proof Load control, protecting the circuit of power supply. Card types Energy data and other information display on LCD. Management card Relay test card: relay status test Optical and Rs485 communication port available. Inspect card: meter status record Data memorization during power Test card: meter function test and outage. parameters initialization Cumulating latest purchased energy Customer card and remain energy in card.

4 Registration card: New customer Recognition fake, one card registration corresponding to one meter. Credit card: transfer credit from energy IC card interface protecting circuit sale department. against high electrostatic voltage and unauthorized hardware impact. A China-based Leader in Electricity metering Products and Systems OPERATION FLOW CHART OF Prepayment system . 1. New Customer Registration F o r n e w c u s t o m e r, t h e m e t e r details and customer details are entered into the master terminal Master Terminal located ate the regional office. 2. Purchase credit Database After registration at regional office, customer has to purchase credit at server any sales terminal located at the authorized charging station. The credit value will be stored into the 5. card Sales Terminal Data storage The server is the core of revenue collection where all the back-end applications are managed and customers'.

5 Information is continuously updated. 4. metering data update 3 In case of each credit transaction, the meter Meter initialization writes status information, available credit, power consumption data, etc. to the smart After inserting the card into the card. With the IC card to purchase credit meter, all information including next time, the sales terminal will acquire all credit and parameters will be information and transfer it to the regional automatically loaded database. A China-based Leader in Electricity metering Products and Systems Prepayment ENERGY SALE AND MANAGEMENT system . FUNCTION: Customer management : including new account opening, profile modification, account deletion and etc. Energy sale Management : credit purchasing, information disposal. Report analysis : according to customer's demand. system management : Operator management, system parameter configuration.

6 IC card operation : initialization, r ead and write, Data management : Query and analysis data based on daily, weekly, monthly, annually regulation. Owing to periodical improvements of our products The supplied products can differ in some details from the data stated in the prospectus material Manufactured under a quality system approved to ISO9001. HANGZHOU PAX ELECTRONIC TECHNOLOGY CO., LTD. Add: Floor 5~6, Block B, Huahong Mansion, , Tianmushan Road, Hangzhou, China. Postcode: 310018. Tel: +86-571-86717911 Fax: +86-571-86717910. E-mail: For more informatio